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  1. #1
    Join Date
    Jul 2009
    Location
    Columbia, MD
    Posts
    5,006
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    thursdays changeout 3-8-12

    new TAM7036 air handler, 3ton xl16i h/p, 15kw heater, and honeywell iaq thermostat. old air handler made lots of noise because of turbulence and high static pressures. also not alot of airflow thru vents.

    i added 2 turning vanes on the right and left side of the supply plenum. also added to manual dampers to supply. i installed new return box with a 16x20 to 10x20 square elbow with 5 turning vanes in it. also added a 10" flex return.

    tested unit in heat and cool. and set airflow to heat/450cfm/ton cool/390/ton
    TESP in heating was .19"w.c. return and .12" supply=.31"w.c. 1351cfm

    this unit turned out real nice and the customers are happy. i am waiting to get the before pictures and outdoor unit pics.

    the first picture is the original manual damper for the ductwork. i couldnt believe my eyes. lol

  2. #2
    Join Date
    Feb 2012
    Location
    Opelousas La.
    Posts
    90
    Post Likes
    Looks good. Do you set them on Torque or Constant Cfm?

  3. #3
    Join Date
    Dec 2006
    Location
    Litchfield,Il
    Posts
    565
    Post Likes
    Looks like you were in a tight closet. Nice work.
    If your not getting the results you desire then change. People change from either desperation or inspiration.

  4. #4
    Join Date
    Feb 2005
    Location
    GEORGIA
    Posts
    1,532
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    Nice Job.......

    Did you try to up sell a better filter set up?

    You are doing your customer a favor and it sure is easy money to do it on a install like that.........

    "Value our Differences"

  5. #5
    Join Date
    Jul 2009
    Location
    Columbia, MD
    Posts
    5,006
    Post Likes
    depends on the duct system. this unit i set to constant cfm. if the homeowner does not want to fix ductwork and it has higher static i will set to constant torque.

    yes it was a smaller closet. luckily there was a bi-fold door on the humidifier side. the thing i was worried about was the height from floor to supply duct.

  6. #6
    Join Date
    Jul 2009
    Location
    Columbia, MD
    Posts
    5,006
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    i did recommend a 4" media filter but they did not want it. also recommended uv light.

  7. #7
    Join Date
    Mar 2007
    Location
    NW AR
    Posts
    2,478
    Post Likes
    Looks real good.

    I prefer zip ties for bundling my suction, liquid, and stat wire where its exposed to gazing eyes. I do use black gorilla tape like that to join my rubatex together.

  8. #8
    Join Date
    Jul 2009
    Location
    Columbia, MD
    Posts
    5,006
    Post Likes
    zip ties will rip thru the rubatex. if you tape it then use a zip tie it will last forever

  9. #9
    Join Date
    Jul 2009
    Location
    Columbia, MD
    Posts
    5,006
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    More pictures;

  10. #10
    Join Date
    Dec 2008
    Location
    Buffalo NY
    Posts
    3,179
    Post Likes
    Looks good. How do you like that Trane air handler?


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  11. #11
    Join Date
    Jul 2009
    Location
    Columbia, MD
    Posts
    5,006
    Post Likes
    i like them a lot. just have to get used to them. the blower door is a pain in the butt to get on and off. i think 2 phillip screws would be better.

    the other cool thing is how you can side shot the return.

  12. #12
    Join Date
    Jun 2002
    Location
    south jersey
    Posts
    1,478
    Post Likes
    Gravity, you guys always do very nice work. I am impressed how much attention you pay to airflow. Keep up the nice work. Did you purchase that condenser wall bracket locally or did you make your own? Looks awsome!

  13. #13
    Join Date
    Jul 2009
    Location
    Columbia, MD
    Posts
    5,006
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    Thank you jnsrose. we actually removed the wall bracket and made a nice pad out of millings for the unit to sit on. the homeowner was going to build a wall around the pad to keep it from washing away.

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